000-415 exam training

000-415 ExamIBM WebSphere IIS DataStage Enterprise Edition v7.5* Exam Number/Code : 000-415* Exam Name : IBM WebSphere IIS DataStage Enterprise Edition v7.5* Questions and Answers : 141 Q&As* Update Time: 2010-03-31* Price: $ 120.001. You have a parallel job that does not scale beyond two nodes. After investigation you find that the data has been partitioned on gender and you have an Aggregator stage that is accumulating totals based on gender using a sort method. Which technique should you use to allow the job to scale?A. Add an additional column for partitioning to result in additional data partitions.B. Change the aggregation method to hash to eliminate the blocking sort operation.C. Change the preserve partitioning option on the stage ahead of the aggregator to clear partitioning.D. Change the partitioning key to one that results in more partitions, add a second Aggregator stage that re-aggregates based on gender.Answer: D
2. How are transaction commit operations handled by the DB2/UDB Enterprise stage?A. Commit operations can be defined globally by setting APT_TRANSACTION_ROWS variable.B. Commit operations can only be defined by the number of rows since the start of a transaction.C. Commit operations can only be defined by the number of seconds since the start of a transaction.D. Transaction commits can be controlled by defining the number of rows per transaction or by a specific time period defined by the number of seconds elapsed between commits.Answer: D
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